cmath.tcc (__cmath_power): Revert previous commit: actually the warning is a…

cmath.tcc (__cmath_power): Revert previous commit: actually the warning is a front-end bug (c++/17120).

2004-08-20  Paolo Carlini  <pcarlini@suse.de>

	* include/c_std/cmath.tcc (__cmath_power): Revert previous commit:
	actually the warning is a front-end bug (c++/17120).

From-SVN: r86323

libstdc++-v3/ChangeLog

+2004-08-20  Paolo Carlini  <pcarlini@suse.de>
+
+	* include/c_std/cmath.tcc (__cmath_power): Revert previous commit:
+	actually the warning is a front-end bug (c++/17120).
+
 2004-08-20  Matthias Klose  <doko@debian.org>
 
 	* config/abi/s390-linux-gnu/baseline_symbols.txt: New.

libstdc++-v3/include/c_std/cmath.tcc

@@ -40,7 +40,7 @@ namespace std
     {
       _Tp __y = __n % 2 ? __x : 1;
 
-      while ((__n >>= 1))
+      while (__n >>= 1)
         {
           __x = __x * __x;
           if (__n % 2)